<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- 引入对应的css文件 -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.0.0/animate.min.css" />
  </head>
  <body>
    <h1 class="animate__animated animate__fadeOut">An animated element</h1>
  </body>
</html>
